True trilogies are becoming something of a rarity in Hollywood. What was once considered the classic template for a film series to follow to tell a complete story has since faded, thanks to the emergence of cinematic universes and legacy sequels. Among those trilogies that remain, a select few are often considered masterpieces. From the original Star Wars trilogy to Sergio Leone‘s spaghetti Western Dollars trilogy, any list of the greatest three film series will generally cover the same well-trodden ground.
